He Feng Wang

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Saturation prevention system for radio telephone with open and clos...
- Patent number 6,070,058
- Issue date May 30, 2000
- Oki Telecom, Inc.
- Anthony B. Waldroup
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-function double balanced mixer circuit
- Patent number 5,893,030
- Issue date Apr 6, 1999
- Oki Telecom
- John P. De Loe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Saturation prevention system for radio telephone with open and clos...
- Patent number 5,689,815
- Issue date Nov 18, 1997
- Oki Telecom, Inc.
- Ryo Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-function double balanced mixer circuit
- Patent number 5,649,288
- Issue date Jul 15, 1997
- OKI Telecom
- John P. De Loe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE